第1章-ssm整合小風(fēng)Java實(shí)戰(zhàn)系列教程

本章學(xué)習(xí)目MyBatisSpring-MapperMyBatisSpring-MapperMyBatisSpringMapperMyBatisSpring-JDBC導(dǎo)入必須######directlogmessagestostdoutlog4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE}%5p%c{1}:%L-###directmessagestofilemylog.log######directmessagestofilemylog.log###log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE}%5p%c{1}:%L-%m%n###setloglevels-formoreverboseloggingchange'info'to'debug'log4j.rootLogger=debug,建立數(shù)據(jù)庫和NAMEVARCHAR(20),genderCHAR(1),address建立實(shí)體packagepackage;publicclassCustomerprivateIntegerprivateStringname;privateStringgender;privateString privateStringaddress;publicIntegergetId(){return}publicvoidsetId(Integerid)this.id=}publicStringgetName()return}publicvoidsetName(Stringname)=}publicStringgetGender()return}publicvoidsetGender(Stringgender)this.gender=}publicpublicString ephone() }publicvoid ephone) ephone }publicStringgetAddress()return}publicvoidsetAddress(Stringaddress)this.address=}}建立Mapper接packagepackageimportpublicinterfaceCustomerMapper*publicvoidsaveCustomer(Customer}建立sql文<?<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEPUBLIC"-////DTDMapper <mapper<insertid="saveCustomer"INSERTINTO )建立 文<?<?xmlversion="1.0"encoding="UTF-8"<!DOCTYPEPUBLIC"-////DTDConfig <!--和spring整合后environments配置 <environments<environment<transactionManagertype="JDBC"<dataSource<propertyname="driver"value="com.mysql.jdbc.Driver"<property<propertyname="username"value="root"<propertyname="password"value="root"<mapper編寫測試packagepackageimportimportimportimportimportimportimportimportpublicclassMyBatisTestpublicvoidtest()throws//1.創(chuàng)建SqlSessionFactoryBuilderbuiler=newInputStreamis=//2.創(chuàng)建SqlSessionFactorySqlSessionFactoryfactory=//3.打開SqlSessionsqlSession=CustomerMappercustomerMapper=Customercustomer=newCustomer(); }}MyBatisSpring-Mapper實(shí)現(xiàn)導(dǎo)入必須編寫Mapper的實(shí)現(xiàn)packagepackageimportpublicinterfaceCustomerMapper*publicvoidsaveCustomer(Customer}packagepackageimportimportimportimport{publicvoidsaveCustomer(Customercustomer)SqlSessionSqlSessionsqlSession=this.getSqlSession();}}編寫<?<?xmlversion="1.0"encoding="UTF-<beans"""""perties--<beanid="dataSource"<<propertyname="url"<propertyname="driverClassName"<propertyname="username"<propertyname="password"<propertyname="maxActive"<propertyname="maxIdle"<beanid="sqlSessionFactory"<propertyname="dataSource" <propertyname="mapperLocations"<beanid="customerMapper"<propertyname="sqlSessionFactory"編寫測試packagepackageimportimportimportimportimport publicclassMyBatisSpringTestpublicvoid//1.加載springApplicationContextac=Customercustomer=newCustomer(); }}MyBatis整合Spring-沒有Mapper實(shí)現(xiàn)刪除 修改<?<?xmlversion="1.0"encoding="UTF-<beans"""""perties--<beanid="dataSource"<propertyname="url"<propertyname="mapperInterface"<propertyname="sqlSessionFactory"<propertyname=<propertyname="driverClassName"<propertyname="username"<propertyname="password"<propertyname="maxActive"<propertyname="maxIdle"<beanid="sqlSessionFactory"<propertyname="dataSource"<propertyname="mapperLocations"<beanid="customerMapper"packagepackageimportimportimportimportimport publicclassMyBatisSpringTestpublicvoid//1.加載springApplicationContextac=Customercustomer=newCustomer(); }}packageimportimportimportimportimport publicclassMyBatisSpringTestpublicvoid//1.加載springApplicationContextac=Customercustomer=newCustomer(); }}}MyBatis整合Spring-Mapper接口掃描（推薦修改<?<?xmlversion="1.0"encoding="UTF-<beans"""""perties--<beanid="dataSource"<<propertyname="url"<propertyname="driverClassName"<propertyname="username"<propertyname="password"<propertyname="maxActive"<propertyname="maxIdle"<beanid="sqlSessionFactory"<propertyname="dataSource"<propertyname="mapperLocations"<beanMapper接口所在包路徑<propertyname="basePackage"MyBatisSpring-JDBC事修改<?<?xmlversion="1.0"encoding="UTF-<beans perties--<beanid="dataSource" <propertyname="url"<propertyname="driverClassName"<propertyname="username"<propertyname="password"<propertyname="maxActive"<propertyname="maxIdle"<beanid="sqlSessionFactory"<propertyname="dataSource" 文件--<propertyname="mapperLocations"MapperMapper接口包掃描，那么每個Mapper接口在Spring容器中的id名稱為類名：例如CustomerMapper->customerMapper<beanMapper接口所在包路徑<propertyname="basePackage" ponent-scanbase-<bean<bean<propertyname="dataSource"packagepackageimportimportimportimportimportpublicclassCustomerServiceImplimplementsCustomerServiceprivateCustomerMapperpublicvoidsaveCustomer(Customer{inti=100/0;}}在業(yè)務(wù)方法添加注導(dǎo)入spring-mvc配置>spring-mvc.xml-- 配置spring-<?<?xmlversion="1.0"encoding="UTF-<beans""""<ponent-scanbase-<propertyname="prefix"value="/WEB-<propertyname="suffix"編寫packagepackageimportimport publicclassCustomerController publicStringreturn}}編寫<%@<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<title>MyJSP'test.jsp'starting<metahttp-equiv="pragma"content="no-<metahttp-equiv="cache-control"content="no-<metahttp-equiv="expires"<metahttp-"<metahttp-equiv="description"content="Thisismy<linkrel="stylesheet"type="text/css"SSM整合-CustomerController里面添加方packagepackageimportimport importimport publicclassCustomerControllerprivateCustomerService publicStringtest(){return publicStringreturn} publicStringomer);return"succ";}}編寫 錄入客戶頁<%@<%@pagelanguage="java"import="java.util.*"pageEncoding="utf-<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01<metahttp-equiv="pr